The Amble Performance desk lamp with USB port has a minimal design that combines functionality with style at a price that won't break your budget. When you move the tri-position base to any of it's 3 different points, the lighting will change and the gravity driven shade which surrounds the LED will automatically tilt and fall into place for glare free lighting. It has a dimmer and a built in occupancy sensor that will shut the lamp off after 30 minutes of inactivity. It is available in different colors and comes with a 15 year structural warranty and a 1 year warranty on the LED/Transformer.